Brandtree

Who owns Roundup?

Roundup is owned by Bayer (Germany, XETRA: BAYN), which acquired the brand on 7 June 2018 from Monsanto.[1][1] Before Bayer, Roundup was owned by Monsanto from 1974 to 2018.[1]

This ownership is reported in official statements but has not yet been matched to a regulatory filing.

Key facts

Current owner
Bayer AG reported
Owned since
· deal details
Acquisition price
$63 billion (enterprise value)
Previous owner
Monsanto (1974–2018)
Owner HQ
🇩🇪 Germany, Leverkusen
Origin
🇺🇸 United States
Founded
1974
Category
Home, garden & DIYHome improvement › Lawn & garden
Parent ticker
XETRA: BAYN
Last verified
· 1 sources

About Roundup

Roundup is a glyphosate weedkiller launched by Monsanto in 1974 and the best-selling herbicide in the world. Bayer acquired it with Monsanto in 2018 for $63 billion and inherited litigation that has cost it many billions more in settlements and verdicts.

Ownership timeline of Roundup

Owners of Roundup from 1974 to 2026 Monsanto 1974–2018; Bayer 2018–present Monsanto Bayer 19801990200020102020
  1. 1974 – 2018 Monsanto sold 7 June 2018 [1] reported
  2. 2018 – present Bayer acquired 7 June 2018 [1][1] reported

Where Roundup sits in Bayer

Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.

Where Roundup sits in Bayer Tree of 9 brands under Bayer. Bayer Roundup Alka-Seltzer Aspirin Bepanthen Berocca Canesten and 3 more

Open the full Bayer ownership tree →

Other brands owned by Bayer

See the full Bayer brand portfolio (9) →

Deals involving Roundup

Acquisition closed

Bayer acquires Roundup

Bayer acquired Monsanto for $128 per share in cash, creating the largest agricultural inputs company in the world. Regulators required Bayer to sell substantial seed and crop protection assets to BASF. The deal brought Bayer the Roundup brand and the glyphosate litigation attached to it, which has since cost it many billions in settlements.

Value
$63bn
Buyer
Bayer
Seller
Monsanto
Regulatory
None recorded

Latest news about Roundup

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Frequently asked questions

Who is the parent company of Roundup?

The parent company of Roundup is Bayer, a publicly listed company headquartered in Germany.

Is Roundup American or German?

Roundup originated in the United States in 1974, but it is owned today by Bayer, which is headquartered in Germany. So Roundup is an American-origin brand under German ownership.

When did Bayer buy Roundup?

Bayer completed its acquisition of Roundup on 7 June 2018, after announcing the deal on 14 September 2016.

Who owned Roundup before Bayer?

Before Bayer, Roundup was owned by Monsanto from 1974 until 2018.

Is Roundup still owned by Bayer?

Yes. As of 6 September 2026, Roundup is still owned by Bayer. The ownership record was last checked against primary sources on that date.

Sources (1) & corrections

Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.

  1. [1] Bayer AG Annual Report 2025 — Bayer AG, Annual report, published 10 March 2026; retrieved 6 September 2026.

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